【TVPP】Sandeul(B1A4) - Butterfly, 산들(비원에이포) - 버터플라이 @Duet Song Festival

B1A4 # 124 : Sandeul(B1A4) sings a duet song ‘Butterfly’ @Duet Song Festival 20160527

B1A4 : Sandeul, Baro, Jinyoung, Sinwoo, Gongchan
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